<rdar://problem/12944813> Network process temporary and cache directories are not set correctly

        Reviewed by Sam Weinig.

        Set DIRHELPER_USER_DIR_SUFFIX, like we do for WebProcess. Also while in this function,
        enabled sandbox-style file quarantine.

        * NetworkProcess/mac/NetworkProcessMac.mm:
        (WebKit::NetworkProcess::initializeSandbox):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139107 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Layout Test http/tests/misc/authentication-redirect-4/authentication-sent-to-redirect-same-origin-url.html is timing out
https://bugs.webkit.org/show_bug.cgi?id=106332

Patch by Martin Robinson <mrobinson@igalia.com> on 2013-01-08
Reviewed by Ryosuke Niwa.

Fix this flaky test by adjusting the authentication realm
used in the HTTP headers.

* http/tests/misc/authentication-redirect-4/resources/auth-then-redirect.php: The authentication realm used
in the HTTP headers is shared with several other HTTP tests, so cached credentials can "leak" from one
test to another. Make the authentication realm unique for this test.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139108 268f45cc-cd09-0410-ab3c-d52691b4dbfc